Find IP IPv4 Network/Subnet and its host address ranges

What is an IPv4 IP address its network and host address ranges?

An IPv4 IP address is an address used in order to uniquely identify a device on an IP network. The address is made up of 32 binary bits, which can be divisible into a network portion and host portion with the help of a subnet mask. The 32 binary bits are broken into four octets (1 octet = 8 bits). Each octet is converted to decimal and separated by a period (dot).

How to Subnet IPv4? Its simple answer is that subnetting is the process of taking a network and splitting it into smaller networks, known as subnets. It's used to free up more public IPv4 addresses and segment networks for security and easier management.
Following are the ranges of IPv4 subnet/network address and their host addresses.

IPv4 AddressIPv6 Address
170.255.204.1 0:0:0:0:0:ffff:aaff:cc01
170.255.204.2 0:0:0:0:0:ffff:aaff:cc02
170.255.204.3 0:0:0:0:0:ffff:aaff:cc03
170.255.204.4 0:0:0:0:0:ffff:aaff:cc04
170.255.204.5 0:0:0:0:0:ffff:aaff:cc05
170.255.204.6 0:0:0:0:0:ffff:aaff:cc06
170.255.204.7 0:0:0:0:0:ffff:aaff:cc07
170.255.204.8 0:0:0:0:0:ffff:aaff:cc08
170.255.204.9 0:0:0:0:0:ffff:aaff:cc09
170.255.204.10 0:0:0:0:0:ffff:aaff:cc0a
170.255.204.11 0:0:0:0:0:ffff:aaff:cc0b
170.255.204.12 0:0:0:0:0:ffff:aaff:cc0c
170.255.204.13 0:0:0:0:0:ffff:aaff:cc0d
170.255.204.14 0:0:0:0:0:ffff:aaff:cc0e
170.255.204.15 0:0:0:0:0:ffff:aaff:cc0f
170.255.204.16 0:0:0:0:0:ffff:aaff:cc10
170.255.204.17 0:0:0:0:0:ffff:aaff:cc11
170.255.204.18 0:0:0:0:0:ffff:aaff:cc12
170.255.204.19 0:0:0:0:0:ffff:aaff:cc13
170.255.204.20 0:0:0:0:0:ffff:aaff:cc14
170.255.204.21 0:0:0:0:0:ffff:aaff:cc15
170.255.204.22 0:0:0:0:0:ffff:aaff:cc16
170.255.204.23 0:0:0:0:0:ffff:aaff:cc17
170.255.204.24 0:0:0:0:0:ffff:aaff:cc18
170.255.204.25 0:0:0:0:0:ffff:aaff:cc19
170.255.204.26 0:0:0:0:0:ffff:aaff:cc1a
170.255.204.27 0:0:0:0:0:ffff:aaff:cc1b
170.255.204.28 0:0:0:0:0:ffff:aaff:cc1c
170.255.204.29 0:0:0:0:0:ffff:aaff:cc1d
170.255.204.30 0:0:0:0:0:ffff:aaff:cc1e
170.255.204.31 0:0:0:0:0:ffff:aaff:cc1f
170.255.204.32 0:0:0:0:0:ffff:aaff:cc20
170.255.204.33 0:0:0:0:0:ffff:aaff:cc21
170.255.204.34 0:0:0:0:0:ffff:aaff:cc22
170.255.204.35 0:0:0:0:0:ffff:aaff:cc23
170.255.204.36 0:0:0:0:0:ffff:aaff:cc24
170.255.204.37 0:0:0:0:0:ffff:aaff:cc25
170.255.204.38 0:0:0:0:0:ffff:aaff:cc26
170.255.204.39 0:0:0:0:0:ffff:aaff:cc27
170.255.204.40 0:0:0:0:0:ffff:aaff:cc28
170.255.204.41 0:0:0:0:0:ffff:aaff:cc29
170.255.204.42 0:0:0:0:0:ffff:aaff:cc2a
170.255.204.43 0:0:0:0:0:ffff:aaff:cc2b
170.255.204.44 0:0:0:0:0:ffff:aaff:cc2c
170.255.204.45 0:0:0:0:0:ffff:aaff:cc2d
170.255.204.46 0:0:0:0:0:ffff:aaff:cc2e
170.255.204.47 0:0:0:0:0:ffff:aaff:cc2f
170.255.204.48 0:0:0:0:0:ffff:aaff:cc30
170.255.204.49 0:0:0:0:0:ffff:aaff:cc31
170.255.204.50 0:0:0:0:0:ffff:aaff:cc32
170.255.204.51 0:0:0:0:0:ffff:aaff:cc33
170.255.204.52 0:0:0:0:0:ffff:aaff:cc34
170.255.204.53 0:0:0:0:0:ffff:aaff:cc35
170.255.204.54 0:0:0:0:0:ffff:aaff:cc36
170.255.204.55 0:0:0:0:0:ffff:aaff:cc37
170.255.204.56 0:0:0:0:0:ffff:aaff:cc38
170.255.204.57 0:0:0:0:0:ffff:aaff:cc39
170.255.204.58 0:0:0:0:0:ffff:aaff:cc3a
170.255.204.59 0:0:0:0:0:ffff:aaff:cc3b
170.255.204.60 0:0:0:0:0:ffff:aaff:cc3c


170.255.204.61 0:0:0:0:0:ffff:aaff:cc3d
170.255.204.62 0:0:0:0:0:ffff:aaff:cc3e
170.255.204.63 0:0:0:0:0:ffff:aaff:cc3f
170.255.204.64 0:0:0:0:0:ffff:aaff:cc40
170.255.204.65 0:0:0:0:0:ffff:aaff:cc41
170.255.204.66 0:0:0:0:0:ffff:aaff:cc42
170.255.204.67 0:0:0:0:0:ffff:aaff:cc43
170.255.204.68 0:0:0:0:0:ffff:aaff:cc44
170.255.204.69 0:0:0:0:0:ffff:aaff:cc45
170.255.204.70 0:0:0:0:0:ffff:aaff:cc46
170.255.204.71 0:0:0:0:0:ffff:aaff:cc47
170.255.204.72 0:0:0:0:0:ffff:aaff:cc48
170.255.204.73 0:0:0:0:0:ffff:aaff:cc49
170.255.204.74 0:0:0:0:0:ffff:aaff:cc4a
170.255.204.75 0:0:0:0:0:ffff:aaff:cc4b
170.255.204.76 0:0:0:0:0:ffff:aaff:cc4c
170.255.204.77 0:0:0:0:0:ffff:aaff:cc4d
170.255.204.78 0:0:0:0:0:ffff:aaff:cc4e
170.255.204.79 0:0:0:0:0:ffff:aaff:cc4f
170.255.204.80 0:0:0:0:0:ffff:aaff:cc50
170.255.204.81 0:0:0:0:0:ffff:aaff:cc51
170.255.204.82 0:0:0:0:0:ffff:aaff:cc52
170.255.204.83 0:0:0:0:0:ffff:aaff:cc53
170.255.204.84 0:0:0:0:0:ffff:aaff:cc54
170.255.204.85 0:0:0:0:0:ffff:aaff:cc55
170.255.204.86 0:0:0:0:0:ffff:aaff:cc56
170.255.204.87 0:0:0:0:0:ffff:aaff:cc57
170.255.204.88 0:0:0:0:0:ffff:aaff:cc58
170.255.204.89 0:0:0:0:0:ffff:aaff:cc59
170.255.204.90 0:0:0:0:0:ffff:aaff:cc5a
170.255.204.91 0:0:0:0:0:ffff:aaff:cc5b
170.255.204.92 0:0:0:0:0:ffff:aaff:cc5c
170.255.204.93 0:0:0:0:0:ffff:aaff:cc5d
170.255.204.94 0:0:0:0:0:ffff:aaff:cc5e
170.255.204.95 0:0:0:0:0:ffff:aaff:cc5f
170.255.204.96 0:0:0:0:0:ffff:aaff:cc60
170.255.204.97 0:0:0:0:0:ffff:aaff:cc61
170.255.204.98 0:0:0:0:0:ffff:aaff:cc62
170.255.204.99 0:0:0:0:0:ffff:aaff:cc63
170.255.204.100 0:0:0:0:0:ffff:aaff:cc64
170.255.204.101 0:0:0:0:0:ffff:aaff:cc65
170.255.204.102 0:0:0:0:0:ffff:aaff:cc66
170.255.204.103 0:0:0:0:0:ffff:aaff:cc67
170.255.204.104 0:0:0:0:0:ffff:aaff:cc68
170.255.204.105 0:0:0:0:0:ffff:aaff:cc69
170.255.204.106 0:0:0:0:0:ffff:aaff:cc6a
170.255.204.107 0:0:0:0:0:ffff:aaff:cc6b
170.255.204.108 0:0:0:0:0:ffff:aaff:cc6c
170.255.204.109 0:0:0:0:0:ffff:aaff:cc6d
170.255.204.110 0:0:0:0:0:ffff:aaff:cc6e
170.255.204.111 0:0:0:0:0:ffff:aaff:cc6f
170.255.204.112 0:0:0:0:0:ffff:aaff:cc70
170.255.204.113 0:0:0:0:0:ffff:aaff:cc71
170.255.204.114 0:0:0:0:0:ffff:aaff:cc72
170.255.204.115 0:0:0:0:0:ffff:aaff:cc73
170.255.204.116 0:0:0:0:0:ffff:aaff:cc74
170.255.204.117 0:0:0:0:0:ffff:aaff:cc75
170.255.204.118 0:0:0:0:0:ffff:aaff:cc76
170.255.204.119 0:0:0:0:0:ffff:aaff:cc77
170.255.204.120 0:0:0:0:0:ffff:aaff:cc78


170.255.204.121 0:0:0:0:0:ffff:aaff:cc79
170.255.204.122 0:0:0:0:0:ffff:aaff:cc7a
170.255.204.123 0:0:0:0:0:ffff:aaff:cc7b
170.255.204.124 0:0:0:0:0:ffff:aaff:cc7c
170.255.204.125 0:0:0:0:0:ffff:aaff:cc7d
170.255.204.126 0:0:0:0:0:ffff:aaff:cc7e
170.255.204.127 0:0:0:0:0:ffff:aaff:cc7f
170.255.204.128 0:0:0:0:0:ffff:aaff:cc80
170.255.204.129 0:0:0:0:0:ffff:aaff:cc81
170.255.204.130 0:0:0:0:0:ffff:aaff:cc82
170.255.204.131 0:0:0:0:0:ffff:aaff:cc83
170.255.204.132 0:0:0:0:0:ffff:aaff:cc84
170.255.204.133 0:0:0:0:0:ffff:aaff:cc85
170.255.204.134 0:0:0:0:0:ffff:aaff:cc86
170.255.204.135 0:0:0:0:0:ffff:aaff:cc87
170.255.204.136 0:0:0:0:0:ffff:aaff:cc88
170.255.204.137 0:0:0:0:0:ffff:aaff:cc89
170.255.204.138 0:0:0:0:0:ffff:aaff:cc8a
170.255.204.139 0:0:0:0:0:ffff:aaff:cc8b
170.255.204.140 0:0:0:0:0:ffff:aaff:cc8c
170.255.204.141 0:0:0:0:0:ffff:aaff:cc8d
170.255.204.142 0:0:0:0:0:ffff:aaff:cc8e
170.255.204.143 0:0:0:0:0:ffff:aaff:cc8f
170.255.204.144 0:0:0:0:0:ffff:aaff:cc90
170.255.204.145 0:0:0:0:0:ffff:aaff:cc91
170.255.204.146 0:0:0:0:0:ffff:aaff:cc92
170.255.204.147 0:0:0:0:0:ffff:aaff:cc93
170.255.204.148 0:0:0:0:0:ffff:aaff:cc94
170.255.204.149 0:0:0:0:0:ffff:aaff:cc95
170.255.204.150 0:0:0:0:0:ffff:aaff:cc96
170.255.204.151 0:0:0:0:0:ffff:aaff:cc97
170.255.204.152 0:0:0:0:0:ffff:aaff:cc98
170.255.204.153 0:0:0:0:0:ffff:aaff:cc99
170.255.204.154 0:0:0:0:0:ffff:aaff:cc9a
170.255.204.155 0:0:0:0:0:ffff:aaff:cc9b
170.255.204.156 0:0:0:0:0:ffff:aaff:cc9c
170.255.204.157 0:0:0:0:0:ffff:aaff:cc9d
170.255.204.158 0:0:0:0:0:ffff:aaff:cc9e
170.255.204.159 0:0:0:0:0:ffff:aaff:cc9f
170.255.204.160 0:0:0:0:0:ffff:aaff:cca0
170.255.204.161 0:0:0:0:0:ffff:aaff:cca1
170.255.204.162 0:0:0:0:0:ffff:aaff:cca2
170.255.204.163 0:0:0:0:0:ffff:aaff:cca3
170.255.204.164 0:0:0:0:0:ffff:aaff:cca4
170.255.204.165 0:0:0:0:0:ffff:aaff:cca5
170.255.204.166 0:0:0:0:0:ffff:aaff:cca6
170.255.204.167 0:0:0:0:0:ffff:aaff:cca7
170.255.204.168 0:0:0:0:0:ffff:aaff:cca8
170.255.204.169 0:0:0:0:0:ffff:aaff:cca9
170.255.204.170 0:0:0:0:0:ffff:aaff:ccaa
170.255.204.171 0:0:0:0:0:ffff:aaff:ccab
170.255.204.172 0:0:0:0:0:ffff:aaff:ccac
170.255.204.173 0:0:0:0:0:ffff:aaff:ccad
170.255.204.174 0:0:0:0:0:ffff:aaff:ccae
170.255.204.175 0:0:0:0:0:ffff:aaff:ccaf
170.255.204.176 0:0:0:0:0:ffff:aaff:ccb0
170.255.204.177 0:0:0:0:0:ffff:aaff:ccb1
170.255.204.178 0:0:0:0:0:ffff:aaff:ccb2
170.255.204.179 0:0:0:0:0:ffff:aaff:ccb3
170.255.204.180 0:0:0:0:0:ffff:aaff:ccb4


170.255.204.181 0:0:0:0:0:ffff:aaff:ccb5
170.255.204.182 0:0:0:0:0:ffff:aaff:ccb6
170.255.204.183 0:0:0:0:0:ffff:aaff:ccb7
170.255.204.184 0:0:0:0:0:ffff:aaff:ccb8
170.255.204.185 0:0:0:0:0:ffff:aaff:ccb9
170.255.204.186 0:0:0:0:0:ffff:aaff:ccba
170.255.204.187 0:0:0:0:0:ffff:aaff:ccbb
170.255.204.188 0:0:0:0:0:ffff:aaff:ccbc
170.255.204.189 0:0:0:0:0:ffff:aaff:ccbd
170.255.204.190 0:0:0:0:0:ffff:aaff:ccbe
170.255.204.191 0:0:0:0:0:ffff:aaff:ccbf
170.255.204.192 0:0:0:0:0:ffff:aaff:ccc0
170.255.204.193 0:0:0:0:0:ffff:aaff:ccc1
170.255.204.194 0:0:0:0:0:ffff:aaff:ccc2
170.255.204.195 0:0:0:0:0:ffff:aaff:ccc3
170.255.204.196 0:0:0:0:0:ffff:aaff:ccc4
170.255.204.197 0:0:0:0:0:ffff:aaff:ccc5
170.255.204.198 0:0:0:0:0:ffff:aaff:ccc6
170.255.204.199 0:0:0:0:0:ffff:aaff:ccc7
170.255.204.200 0:0:0:0:0:ffff:aaff:ccc8
170.255.204.201 0:0:0:0:0:ffff:aaff:ccc9
170.255.204.202 0:0:0:0:0:ffff:aaff:ccca
170.255.204.203 0:0:0:0:0:ffff:aaff:cccb
170.255.204.204 0:0:0:0:0:ffff:aaff:cccc
170.255.204.205 0:0:0:0:0:ffff:aaff:cccd
170.255.204.206 0:0:0:0:0:ffff:aaff:ccce
170.255.204.207 0:0:0:0:0:ffff:aaff:cccf
170.255.204.208 0:0:0:0:0:ffff:aaff:ccd0
170.255.204.209 0:0:0:0:0:ffff:aaff:ccd1
170.255.204.210 0:0:0:0:0:ffff:aaff:ccd2
170.255.204.211 0:0:0:0:0:ffff:aaff:ccd3
170.255.204.212 0:0:0:0:0:ffff:aaff:ccd4
170.255.204.213 0:0:0:0:0:ffff:aaff:ccd5
170.255.204.214 0:0:0:0:0:ffff:aaff:ccd6
170.255.204.215 0:0:0:0:0:ffff:aaff:ccd7
170.255.204.216 0:0:0:0:0:ffff:aaff:ccd8
170.255.204.217 0:0:0:0:0:ffff:aaff:ccd9
170.255.204.218 0:0:0:0:0:ffff:aaff:ccda
170.255.204.219 0:0:0:0:0:ffff:aaff:ccdb
170.255.204.220 0:0:0:0:0:ffff:aaff:ccdc
170.255.204.221 0:0:0:0:0:ffff:aaff:ccdd
170.255.204.222 0:0:0:0:0:ffff:aaff:ccde
170.255.204.223 0:0:0:0:0:ffff:aaff:ccdf
170.255.204.224 0:0:0:0:0:ffff:aaff:cce0
170.255.204.225 0:0:0:0:0:ffff:aaff:cce1
170.255.204.226 0:0:0:0:0:ffff:aaff:cce2
170.255.204.227 0:0:0:0:0:ffff:aaff:cce3
170.255.204.228 0:0:0:0:0:ffff:aaff:cce4
170.255.204.229 0:0:0:0:0:ffff:aaff:cce5
170.255.204.230 0:0:0:0:0:ffff:aaff:cce6
170.255.204.231 0:0:0:0:0:ffff:aaff:cce7
170.255.204.232 0:0:0:0:0:ffff:aaff:cce8
170.255.204.233 0:0:0:0:0:ffff:aaff:cce9
170.255.204.234 0:0:0:0:0:ffff:aaff:ccea
170.255.204.235 0:0:0:0:0:ffff:aaff:cceb
170.255.204.236 0:0:0:0:0:ffff:aaff:ccec
170.255.204.237 0:0:0:0:0:ffff:aaff:cced
170.255.204.238 0:0:0:0:0:ffff:aaff:ccee
170.255.204.239 0:0:0:0:0:ffff:aaff:ccef
170.255.204.240 0:0:0:0:0:ffff:aaff:ccf0
170.255.204.241 0:0:0:0:0:ffff:aaff:ccf1
170.255.204.242 0:0:0:0:0:ffff:aaff:ccf2
170.255.204.243 0:0:0:0:0:ffff:aaff:ccf3
170.255.204.244 0:0:0:0:0:ffff:aaff:ccf4
170.255.204.245 0:0:0:0:0:ffff:aaff:ccf5
170.255.204.246 0:0:0:0:0:ffff:aaff:ccf6
170.255.204.247 0:0:0:0:0:ffff:aaff:ccf7
170.255.204.248 0:0:0:0:0:ffff:aaff:ccf8
170.255.204.249 0:0:0:0:0:ffff:aaff:ccf9
170.255.204.250 0:0:0:0:0:ffff:aaff:ccfa
170.255.204.251 0:0:0:0:0:ffff:aaff:ccfb
170.255.204.252 0:0:0:0:0:ffff:aaff:ccfc
170.255.204.253 0:0:0:0:0:ffff:aaff:ccfd
170.255.204.254 0:0:0:0:0:ffff:aaff:ccfe
170.255.204.255 0:0:0:0:0:ffff:aaff:ccff


How we got IPv4 subnet masks?

An IPv4 subnet mask consists of 32 bits; it is a sequence of ones (1) followed by a block of zeros (0). The ones indicate bits in the address used for the network prefix and the trailing block of zeros designates that part as being the host identifier.